NSN 4820-01-444-1004

Part Details | GATE VALVE

4820-01-444-1004 A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

Alternate Parts: F63931 4IN, F639-31 4IN, PN F63931 4IN, P/N F639-31 4IN, F63931 4IN, F639-31 4IN, F63931 4IN, F639-31 4IN, 4820-01-444-1004, 01-444-1004, 4820014441004, 014441004

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48APR 29, 199701-444-100405482 ( VALVE, GATE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-444-1004
Part Number Cage Code Manufacturer
F639-31 4IN14007NIBCO INC
P/N F639-31 4IN76816NIBCO INC.
F639-31 4IN61623NIBCO INCCHEMTROL DIV
F639-31 4IN12168NORTHERN INDIANA BUSINESS SERVICES
Technical Data | NSN 4820-01-444-1004
Characteristic Specifications
VALVE SIZE4.000 INCHES
PRESSURE CLASS150.0 POUNDS PER SQUARE INCH
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED+AC+250.0 POUNDS PER SQUARE INCH
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNEDFAC+550.0 DEG FAHRENHEIT
VALVE OPERATION METHOD MANUAL
INLET RELATIONSHIP WITH OUTLET IDENTICAL
CONNECTION TYPE FLANGE, ROUND W/HOLES
FLANGE DIAMETER9.000 INCHES
BOLT HOLE QUANTITY8
FACE TO FACE DISTANCE9.000 INCHES
FLANGE FACE DESIGN RAISED
STEM TYPE NONRISING
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD BOLTED
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
END ITEM IDENTIFICATIONUSNS STALWART CLASS TAGOS